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Question (11)

QN0034232

A scientist counts 18 lily plants in one area and 27 lily plants in another area of the same pond. What is the total lily population observed?

(A) 35
(B) 40
(C) 45
(D) 54

Correct Answer: C

Explanation:

18 + 27 = 45.

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Question (12)

QN0034233

Which of the following belongs to the biotic community of a habitat?

(A) Plants, animals, and microorganisms
(B) Water, soil, and sunlight
(C) Air, water, and temperature
(D) Soil, rocks, and minerals

Correct Answer: A

Explanation:

Biotic community includes all living organisms.

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Question (13)

QN0034234

In a habitat, there are 40 rabbits, 10 foxes, and 5 snakes. What is the total number of individual organisms counted?

(A) 45
(B) 50
(C) 55
(D) 60

Correct Answer: C

Explanation:

40 + 10 + 5 = 55.

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Question (14)

QN0034235

Which observation best supports the idea of a population?

(A) Many species living in one forest
(B) Fifty fish of the same species in a pond
(C) Fish and frogs sharing a pond
(D) Trees interacting with soil

Correct Answer: B

Explanation:

Population consists of organisms of the same species.

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Question (15)

QN0034236

A community is made up of ________.

(A) abiotic factors only
(B) one population only
(C) different populations living together
(D) only producers

Correct Answer: C

Explanation:

Different populations together form a community.

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Question (16)

QN0034237

In a 1 m × 1 m area, students recorded 20 grass plants, 10 ants, 4 snails, and 6 butterflies. How many different populations are represented?

(A) 2
(B) 3
(C) 4
(D) 40

Correct Answer: C

Explanation:

Four different organism types represent four populations.

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Question (17)

QN0034238

Which statement about population is correct?

(A) It includes many species.
(B) It consists of organisms of the same type.
(C) It includes abiotic factors.
(D) It is larger than a community.

Correct Answer: B

Explanation:

Population contains only one type of organism.

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Question (18)

QN0034239

If a pond has 30 frogs and 45 fish, what is the ratio of frogs to fish?

(A) 2 : 3
(B) 3 : 2
(C) 1 : 2
(D) 5 : 6

Correct Answer: A

Explanation:

30 : 45 = 2 : 3.

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Question (19)

QN0034240

A habitat contains 12 sparrows, 12 pigeons, and 12 mynas. The number of bird populations present is ________.

(A) 1
(B) 2
(C) 3
(D) 36

Correct Answer: C

Explanation:

Three different bird species mean three populations.

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Question (20)

QN0034241

Which is NOT a community?

(A) Frogs, fish, and algae in a pond
(B) Deer, foxes, and trees in a forest
(C) Twenty rabbits of the same species in a field
(D) Snails, insects, and aquatic plants in a pond

Correct Answer: C

Explanation:

It represents a population, not a community.

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Question (11)

A scientist counts 18 lily plants in one area and 27 lily plants in another area of the same pond. What is the total lily population observed?

Explanation:

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Question (12)

Which of the following belongs to the biotic community of a habitat?

Explanation:

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Question (13)

In a habitat, there are 40 rabbits, 10 foxes, and 5 snakes. What is the total number of individual organisms counted?

Explanation:

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Question (14)

Which observation best supports the idea of a population?

Explanation:

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Question (15)

A community is made up of ________.

Explanation:

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Question (16)

In a 1 m × 1 m area, students recorded 20 grass plants, 10 ants, 4 snails, and 6 butterflies. How many different populations are represented?

Explanation:

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Question (17)

Which statement about population is correct?

Explanation:

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Question (18)

If a pond has 30 frogs and 45 fish, what is the ratio of frogs to fish?

Explanation:

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Question (19)

A habitat contains 12 sparrows, 12 pigeons, and 12 mynas. The number of bird populations present is ________.

Explanation:

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Question (20)

Which is NOT a community?

Explanation:

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